[FFmpeg-user] Mosaic issue when playing RMVB with ffmpeg

Marton Balint cus at passwd.hu
Wed Oct 23 15:54:23 CEST 2013


On Wed, 23 Oct 2013, Wang Xingchao wrote:

> Add Balint into List.
>
> Balint, would you like share some guide on this issue?
>

Strange indeed. Can you reproduce the issue with ffplay -infbuf ?

Regards,
Marton

> thanks
> --xingchao
>
> 2013/10/22 Wang Xingchao <wangxingchao2011 at gmail.com>:
>> Hi All,
>>
>> finally i found this commit fix the mosaic issue in my case:
>>
>> commit ee4b14322155b5808eeceb463f5edcd751eb3a98
>> Author: Marton Balint <cus at passwd.hu>
>> Date:   Thu Mar 15 00:41:57 2012 +0100
>>
>>     ffplay: use frame count based queueing for audio queue
>>
>>     This reduces the number of queued frames for audio data but also reduces the
>>     amount of A-V difference after changing the audio stream (because
>> less frames
>>     are queued). Fixes bug #1035.
>>
>>     Signed-off-by: Marton Balint <cus at passwd.hu>
>>
>> And it was claimed to fix the bug here:
>> https://trac.ffmpeg.org/ticket/1035
>>
>> But i really donot know why it could also fix the mosaic issue.
>>
>> Any one know more background about this fix?
>>
>> thanks
>> --xingchao
>>
>> 2013/10/12 Wang Xingchao <wangxingchao2011 at gmail.com>:
>>> Hi Carl,
>>>
>>> 2013/10/12 Carl Eugen Hoyos <cehoyos at ag.or.at>:
>>>> Wang Xingchao <wangxingchao2011 <at> gmail.com> writes:
>>>>
>>>>> The issue is reproduced with below environments:
>>>>> - ffplay version 0.8
>>>>
>>>>> please note this issue doesnot occur with ffplay 2.0
>>>>> on desktop.
>>>>
>>>> Don't you agree that there is nothing that we can do
>>>> about this issue or do I miss something?
>>>
>>> i wonder what caused this issue becuase i'm using ffmpeg(1.1.3) on
>>> android which met the problem.
>>> And seems this issue was fixed since V0.8, so knowing more background
>>> about this issue is helpful.
>>>
>>> thanks
>>> --xingchao
>>>>
>>>> Carl Eugen
>>>>
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>


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